Home / 807,968.86-1,211,669.91-443,157.22

Finding the Fourth Proportional to 807,968.86, 1,211,669.91 and 443,157.22

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Solution

The fourth proportional to 807,968.86, 1,211,669.91 and 443,157.22 is: 664,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,968.86 : 1,211,669.91 = 443,157.22 : x
  2. Step 2: Convert to fraction form
    807,968.86/1,211,669.91 = 443,157.22/x
  3. Step 3: Cross multiply
    807,968.86x = 1,211,669.91 × 443,157.22
  4. Step 4: Simplify right side
    807,968.86x = 536,960,268,873.25
  5. Step 5: Solve for x
    x = 536,960,268,873.25/807,968.86
  6. Step 6: Final answer
    x = 664,580.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.